7
34980A multiplexer switch
modules
The 34980A multiplexer modules
can be used to connect one of many
different points to a single point.
You can connect to an external
instrument, or scan multiple analog
signals to the internal DMM.
Choose from the following features:
• 1-wire, 2-wire, or 4-wire
configurations
• High voltage—up to 300 V, 1 A
• High-density—70 2-wire or 80
1-wire channels
• Bandwidths up to 45 MHz
• Temperature measurements with
built-in thermocouple reference
junction (34921T)
• AC or DC current measurements
without external shunts
• Connections via standard 50- or
78-pin Dsub cables or detachable
terminal block
Figure 2. 34921A 40-channel armature multiplexer with low thermal offset (bank 2)
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